20611704575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 32560773120

約数和(自身を除く): 11949068545

約数列:

[1, 5, 7, 11, 25, 35, 55, 59, 77, 175, 275, 295, 347, 385, 413, 523, 649, 1475, 1735, 1925, 2065, 2429, 2615, 3245, 3661, 3817, 4543, 5753, 8675, 10325, 12145, 13075, 16225, 18305, 19085, 20473, 22715, 26719, 28765, 30857, 40271, 60725, 91525, 95425, 102365, 113575, 133595, 143311, 143825, 154285, 181481, 201355, 215999, 225203, 339427, 511825, 667975, 716555, 771425, 907405, 1006775, 1079995, 1126015, 1270367, 1576421, 1697135, 1996291, 2375989, 3582775, 4537025, 5399975, 5630075, 6351835, 7882105, 8485675, 9981455, 10707379, 11879945, 13974037, 31759175, 39410525, 49907275, 53536895, 59399725, 69870185, 74951653, 117781169, 267684475, 349350925, 374758265, 588905845, 824468183, 1873791325, 2944529225, 4122340915, 20611704575]

約数ペア:

[(1, 20611704575), (5, 4122340915), (7, 2944529225), (11, 1873791325), (25, 824468183), (35, 588905845), (55, 374758265), (59, 349350925), (77, 267684475), (175, 117781169), (275, 74951653), (295, 69870185), (347, 59399725), (385, 53536895), (413, 49907275), (523, 39410525), (649, 31759175), (1475, 13974037), (1735, 11879945), (1925, 10707379), (2065, 9981455), (2429, 8485675), (2615, 7882105), (3245, 6351835), (3661, 5630075), (3817, 5399975), (4543, 4537025), (5753, 3582775), (8675, 2375989), (10325, 1996291), (12145, 1697135), (13075, 1576421), (16225, 1270367), (18305, 1126015), (19085, 1079995), (20473, 1006775), (22715, 907405), (26719, 771425), (28765, 716555), (30857, 667975), (40271, 511825), (60725, 339427), (91525, 225203), (95425, 215999), (102365, 201355), (113575, 181481), (133595, 154285), (143311, 143825)]